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Layer: Flood_Zone (ID:3)

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Name: Flood_Zone

Display Field: COG

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: regional flood vulnerability as a function of exposure, sensitivity, and adaptive capacity. Factors include:ACBuiltDistance to Cooling ShelterUconn CIRCA>5 miles = 2, 3-5 miles = 3, 1-3 miles = 4, 0-1 miles = 5ACBuiltDistance to healthcare facilityCOG Data>5 miles = 2, 3-5 miles = 3, 1-3 miles = 4, 0-1 miles = 5ACBuiltDistance to shelterCOG Data>5 miles = 2, 3-5 miles = 3, 1-3 miles = 4, 0-1 miles = 5ACSocialHigh owner-occupied housingCensus ACS 2015-2019 5-year EstimatesPerentileACBuiltCoastal structures and flood protection systemsU.S. Department of Commerce, National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), National Geodetic Survey (NGS), CT Department of Energy and Environmental Protection (DEEP)See: Coastal Structures TabACSocialDisposable incomeESRI, U.S. Census Bureau20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5EPhysicalElevationCT ECO 2016 LIDARElevation Pooling: no pooling = 0, intersects hydrologic feature = 1, intersects FEMA = 3, outside both = 5EPhysicalErosion susceptibilityCT DEEPHighly erodible soil and coarse grained erodible surficial materials = 4, Erodible surficial materials = 2, Highly erodible soil = 1ACBuiltLID structuresUconn CLEAR, NEMO Program, National LID Atlas LID structure absent = 0, LID structure present = 3ACEcologicalMarsh migrationConnecticut Institute for Resilience and Climate Adaptation (CIRCA)percent migration 1 to 25% = 1, 25 to 50% =2, 50 to 75% =3, 75 to 100% = 4ACBuiltProximity to major roadway accessCT DOT3-5 miles = 3, 1-3 miles = 4, 0-1 miles = 5ACBuiltPublic Water service areasCT Water Supply PlanOutside Service area = 1, Inside Service Area = 5ACSocialRapid emergency communicationsCommunity EMD Information No system = 1, Local system = 4, Everbridge related = 5ACSocialRatio of NFIPs in force to number of strucutres in flood zonesNFIP PIF November 2020PercentileACBuiltRegulatory standardsCommunity WebsitesCommunity is StormReady, CRS, Sustainble CT = 5, Two of the three programs = 4, one of the three programs = 3ACEcologicalResilient landscape (eco region)The Nature ConservancyVulnerable = 1, Resilient Only = 5ACBuiltRiverine flood protection systemsUSACESystem absent = 0, system present = 5EClimateRiverine flood zonesFEMA0.2%, protected by levee = 2, A and AO = 3, AE (not floodway) = 4, AE Floodway & VE = 5 EClimateSea Level RiseCIRCAEastern CT = 2.5. Western CT = 3, Central CT = 3.5, Bridgeport, Stamford, Fairfield = 4EPhysicalShoreline change rateNational Oceanic and Atmospheric Administration (NOAA), National Geodetic Survey (NGS), Connecticut Department of Energy and Environmental Protection (DEEP)See: Shoreline Change Rate TabEClimateStorm SurgeopmgisCategory 0.1 = 1, Cat. 5 = 2, Cat. 9 = 3, Cat. 13 = 4, Cat. 17 = 5EClimateTidal RangeConnecticut Institute for Resilience and Climate Adaptation (CIRCA)Range .00001 to 1 = 1, 1.437075 to 1.792822 = 2, 1.792823 to 2.540275 = 3, 2.540276 to 3.219259 = 4, 3.219260 to 5 = 5SSocialAverage number per householdCensus ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SBuiltBuilding densityMicrosoft US Building Footprints 0-20% = 1, 20-40% = 2, 40-60% = 3, 60-80% = 4, 80-100% = 5SSocialLack of vehicleCensus ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SSocialMedian incomeCensus ACS 2015-2019 5-year Estimates20th = 5, 40th = 4, 60th = 3, 80th = 2, 100th = 1SBuiltMedian Structure AgeCensus ACS 2015-2019 5-year EstimatesPercentileSSocialOlder than 5 with a disabilityCensus ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SSocialPercent living below federal poverty levelCensus ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SSocialPercent population over 25 without HS diplomaCensus ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SSocialPercent population over 65Census ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SSocialPercent population under 5Census ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SSocialPercent population unemployedCensus ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SSocialPopulation densityCensus ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SBuiltPrivate WellsCT DWVARPLikely no well = 0, Well not in SFHA = 1, Well in SFHA = 3 OR FOR HEAT 0 = no well 5 = wellSSocialRace and ethnicityCensus ACS 2015-2019 5-year Estimates20th = 5, 40th = 4, 60th = 3, 80th = 2, 100th = 1SSocialSpeaks english less than well/not at allCensus ACS 2015-2019 5-year Estimates20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5SBuiltBrownfieldsCT DEEPPresent = 1, Drinking Water Watershed = 3, In SFHA = 5SBuiltBus TerminalsBureau of Transporation StatisticsPresent = 1, In SFHA = 5SEcologicalCritical habitatCT DEEPSee critical habitats layerSBuiltCritical infrastructure (facilities)Natural Hazard Mitigation PlansOutside floodzone = 1, 500-yr floodzone = 3, 100-yr floodzone = 5SBuiltHistoric ResourcesSHPOPresent = 5, absent = 0EPhysicalImpervious surfacesMicrosoft US Building Footprints PercentileSEcologicalLand CoverUconn Clear, NOAA 1m resolutionSee Land Cover LayerSEcologicalNDDBCT DEEPNDDB area = 5, no NDDB area = 0SBuiltRailroad StationsCT Open DataPresent = 1, in 500 yr = 3, in 100 yr = 5SBuiltRailwaysCT DEEPOutside floodzone = 0, 500-yr floodzone = 3, 100-yr floodzone = 5SBuiltSeptic Areas (outside of sewer service area)SLR - Sewer service area erased from project boundaryBuffered sewer area = 0, Assumed septic = 3ACBuiltSewer Service AreasSLR - sewersrv_withMMIupdatesOutside Service area = 1, Inside Service Area = 5EPhysicalSoil drainageSSURGO Soil Drainage Classnot rate = 0, very poorly & poorly drained = 5, somewhat poorly drained = 4, moderately well drained = 3, well drained = 2, somewhat excessively & excessively drained =1SBuiltRoadsCT DESPPOutside floodzone = 0, 500-yr floodzone = 3, 100-yr floodzone = 5ACBuiltOpen space in flood risk areasThe Nature Conservancy20th = 1, 40th = 2, 60th = 3, 80th = 4, 100th = 5

Copyright Text: UConn CIRCA, SLR Consulting, Dewberry

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Last Edit Date: 11/3/2025 1:25:15 AM

Schema Last Edit Date: 11/3/2025 1:25:15 AM

Data Last Edit Date: 11/3/2025 1:25:15 AM

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